(19)
(11) EP 2 179 020 A1

(12)

(43) Date of publication:
28.04.2010 Bulletin 2010/17

(21) Application number: 07837419.6

(22) Date of filing: 29.08.2007
(51) International Patent Classification (IPC): 
C11D 7/50(2006.01)
C11D 17/00(2006.01)
C11D 11/00(2006.01)
(86) International application number:
PCT/US2007/018898
(87) International publication number:
WO 2009/025647 (26.02.2009 Gazette 2009/09)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 23.08.2007 US 965920 P

(71) Applicant: E. I. du Pont de Nemours and Company
Wilmington, DE 19898 (US)

(72) Inventors:
  • SCHWEITZER, Melodie, A.
    Wilmington, DE 19808 (US)
  • SIEVERT, Allen, Capron
    Elkton, MD 21921 (US)
  • BARTELT, Joan, Ellen
    Wilmington, DE 19809 (US)
  • MINOR, Barbara, Haviland
    Elkton, MD 21921 (US)

(74) Representative: Matthews, Derek Peter 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) AZEOTROPIC COMPOSITIONS COMPRISING FLUORINATED OLEFINS FOR CLEANING APPLICATIONS